1. A revolutionary, patented, mobile interacting Alpha spring at the tip of the key to engage a unique, additional rear cylinder pin.

2.A side locking bar with five finger pins to allow for millions of possible combinations.

3. A new variation of Mul-T-Lock’s well honed telescopic pin-withing-a-pin technology to create a dual shear line.

All New Features

Other advantages include a double-molding design which gives the plastic key-head a totally new look and very strong tamper, pick, drill and bump resistant features.

Unprecedented key control with special authorization card

With an all new patent, the MT5+® technology offers ultimate key control by utilizing highly restricted keyways and requiring the use of a magnetic key order card, which must be swiped through a specialized key duplication machine, which can only be found at select authorized Mul-T-Lock dealers in order to duplicate keys.

MT5+, at a glance:

5th Generation High Security Platform

Multiple Locking Elements Including the Including the Patented Alpha Spring